林火对植物的影响与森林养护

林火是森林生态系统中重要的生态因子，火对于植物的影响用取决于火的大小和强度，与火灾的周期和频度。火对与植物的种子、植株、群落和生态系统都有不同程度的影响，植物在营养阶段和繁殖阶段会采取不同的措施来适应火的侵入。火既可以烧毁森林，严重破坏森林的结构和功能，也可以作为营林的工具和手段，合理利用林火可以改善森林环境，有利于维持和促进森林生态系统的平衡。

The Effect of Fire on Plants and Forest Conservation

Forest fire is one of the most important ecological factors in the forest ecological system. The effect of fire on plants depends on its size and strength, and the period and frequency as well. There are different degrees of influence of fire on seeds, individuals, communities and ecosystems. And plants would take different measures to fit fire during vegetative stage and reproductive stage. Fire can bum forests or damage the structure and function of forests seriously. However, it could also be used as a tool and mean to run forests. So rational utilization of forest fire can improve the forest environment and promote the balance of forest ecosystem.